/* Traffic Light */
.trafficlight div {
  width:20px;
  top:10px;
  bottom:10px;
  left:25px;
  background-color:white;
}

.trafficlight div:after {
  content:"";
  width:14px;
  height:14px;
  background-color:black;
  -webkit-border-radius:14px;
  -moz-border-radius:14px;
  border-radius:14px;
  top:2px;
  left:3px;
  -webkit-box-shadow:0px 16px 0px black,0px 32px 0px black;
  -moz-box-shadow:0px 16px 0px black,0px 32px 0px black;
  box-shadow:0px 16px 0px black,0px 32px 0px black;
}